Don't know how legit this could be, but this is from Wiki, which of course is taken with an extreme grain of salt...but according to on there there is a possible replacement to La Nouba coming possibly in 2013...what do you guys think?
http://en.wikipedia.org/wiki/Cirque_du_Soleil#Future_productions
http://en.wikipedia.org/wiki/Cirque_du_Soleil#Future_productions